Mingyu has always had a crush on Jeon Wonwoo. His friend since diapers, who is oblivious to Mingyu's crush. As the end of school is nearing for all the seniors, Mingyu plans to confess to Wonwoo before summer begins. With the help of their friends, Mingyu begins project G.H.A.S.A.P. All he hopes is to capture Wonwoo's heart before summer begins and he chickens out.